英语词汇secondary cosmic ray怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	secondary cosmic ray
释义	secondary cosmic ray 简明释义次级宇宙线网络释义短语 1 secondary cosmic ray count 次级宇宙线计数双语例句 1 A cloud chamber experiment is described, in which the angular distribution of secondary particles produced in nuclear interaction by high energy cosmic ray particles with paraffin has been studied. 本文描述一个利用云室研究高能宇宙线粒子与石蜡的核作用中次级粒子角分布的实验。
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